In a historic feat of medical triumph, the World Health Organization officially declared the global eradication of smallpox on December 9, 1979. This monumental achievement marked a first in human history, as smallpox became the first and only human disease to be completely wiped out from the face of the earth. The culmination of a decade-long concerted effort, this victory was made possible by the tireless efforts of health workers, scientists, and governments worldwide.